Mental Subtraction Worksheet for Class 2 and 3
How to do it in your head (Tens first): Keep the first number as it is. Take away the tens of the second number. Take away the ones (bridge back through a ten if you need to).
NameDateTime takenScore ___ / 40
- 1.71 − 21 =
- 2.55 − 19 =
- 3.68 − 41 =
- 4.98 − 27 =
- 5.94 − 31 =
- 6.97 − 24 =
- 7.90 − 67 =
- 8.62 − 44 =
- 9.83 − 58 =
- 10.91 − 51 =
- 11.70 − 31 =
- 12.91 − 31 =
- 13.59 − 13 =
- 14.68 − 17 =
- 15.74 − 41 =
- 16.89 − 26 =
- 17.64 − 13 =
- 18.92 − 72 =
- 19.73 − 47 =
- 20.88 − 14 =
- 21.74 − 27 =
- 22.81 − 25 =
- 23.65 − 19 =
- 24.98 − 42 =
- 25.81 − 31 =
- 26.67 − 34 =
- 27.92 − 66 =
- 28.96 − 25 =
- 29.64 − 41 =
- 30.58 − 44 =
- 31.75 − 31 =
- 32.85 − 38 =
- 33.64 − 27 =
- 34.65 − 44 =
- 35.96 − 38 =
- 36.99 − 62 =
- 37.80 − 25 =
- 38.89 − 49 =
- 39.81 − 59 =
- 40.57 − 34 =
Answer key
- 50
- 36
- 27
- 71
- 63
- 73
- 23
- 18
- 25
- 40
- 39
- 60
- 46
- 51
- 33
- 63
- 51
- 20
- 26
- 74
- 47
- 56
- 46
- 56
- 50
- 33
- 26
- 71
- 23
- 14
- 44
- 47
- 37
- 21
- 58
- 37
- 55
- 40
- 22
- 23
Free mental maths lessons, practice and worksheets at talentjr.in/mental-maths